There's no dichotomy between the bitch and snuggle-bunny personae of the cheerleader. They're two sides of the same coin and they're both fake. Her thought process on the nightly news is something like: "this is how I act to be taken seriously". As opposed to not thinking about it and just doing serious work.

I'm very much in favor of women in top journalistic positions but do they have to keep promoting women with such massive character flaws? Katie? Connie Chung fergawdsakes?